On 22/10/13 17:39, Reuti wrote:
Correct - there is no "look ahead" feature in SGE - i.e. after the suspension
you would be inside thegranted limit again. The suspension is the result of
> another job in another queue being started. You can try:
limit queues !urgent.q hosts {*} to slots=$num_proc
with feasible limits inside the urgent.q. For a short time until the
> suspension starts you allow an oversubscription (although it might
> be parts of a second only).
If we do that won't it lead to nodes being oversubscribed through the
high priority queues?
The alternative would be to limit the low priority queue to < $num_proc
but then there'll be times when the cluster is underutilized with free
slots and low priority jobs pending.
Thanks
--
Ian
[email protected] Ian Mortimer
Tel: +61 7 3346 8528 Science IT
University of Queensland
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